now, president obama is expected to address these threats at a white house press conference later today. his last day in washington before heading out to martha's vineyard for vacation. john? >> kristin fisher in washington, thanks very much. >>> stay with abc news for the latest on the terror threat. we'll carry the president's news conference live from the white house. >>> after his news conference, the president meets with secretary of state john kerry. kerry is getting together today with his russian counterpart. the meeting comes two days after president obama canceled a summit meeting with president vladimir putin. the case of leaker edward snowden is on the agenda. >>> another major story this morning. the threat of more flooding hanging over the center of the nation again today. >> right now, it's raining from texas to the northeast. and in missouri, rescue teams were out in full force, searching for friends and family members. here's abc's alex perez. >> reporter: it was a dramatic scene that had two tennessee parents in a panic. little lauren, rescued from her family's attic b